Finding the Fourth Proportional to 936,864.06, 1,405,085.94 and 430,939.14
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Solution
The fourth proportional to 936,864.06, 1,405,085.94 and 430,939.14 is: 646,312.05
Step by Step Solution
- Step 1: Write the proportion equation
936,864.06 : 1,405,085.94 = 430,939.14 : x - Step 2: Convert to fraction form
936,864.06/1,405,085.94 = 430,939.14/x - Step 3: Cross multiply
936,864.06x = 1,405,085.94 × 430,939.14 - Step 4: Simplify right side
936,864.06x = 605,506,526,609.69 - Step 5: Solve for x
x = 605,506,526,609.69/936,864.06 - Step 6: Final answer
x = 646,312.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.